Cybersecurity Startups
3,771 companies tagged Cybersecurity, with their investors and founders.
New Sapience builds "sapiens," a deterministic machine intelligence based on world-model directed-graph knowledge structures rather than machine learning or symbolic AI, used to automate decision-making and monitoring for critical infrastructure. It targets mission-critical operations across CISA-defined critical infrastructure sectors, offering expert human-in-the-loop judgement plus quantum-secure communications.
0 investors
NextgenID delivers Identity Assurance Level 3 (IAL3) identity verification solutions for federal agencies, defense organizations, and enterprises requiring certified identity proofing, credentialing, and identity-gated workflows. The platform combines proprietary software, purpose-built hardware, a nationwide network of enrollment stations, and live human supervision to prevent fraud and deepfake-based attacks.
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Nubeva offers Ransomware Reversal, an endpoint software system that intercepts the cryptographic keys used during a ransomware attack and uses them to decrypt data without paying a ransom. It targets organizations of all sizes as a protective layer that complements existing security and backup tools.
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Onclave Networks develops a zero-trust security platform that cryptographically secures networked assets and eliminates attack surfaces through identity security, access management, blockchain, and microsegmentation. The TrustedPlatform serves enterprises across industries seeking comprehensive network security and compliance.
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Orasi provides IT products, services, and resources to help organizations adopt automation and deliver software applications with full lifecycle support and integration. It positions itself as a strategic IT partner for enterprises seeking reliable and secure software delivery.
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Padloc is an open-source, end-to-end encrypted application for storing and managing passwords, credit card details, secure notes, documents, and one-time authenticator codes across desktop, mobile, and browser platforms. It offers cloud sync and shared vaults for individuals, families, teams, and businesses, with its source code independently security-audited.
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Palma provides a governance and security control plane for enterprise AI agents, delivering MCP servers and Skills through a single connector with policy enforcement, human-in-the-loop approvals, PII redaction, and tamper-evident audit. It integrates with identity providers (Entra, Okta, OIDC) and runs on-prem, in a VPC, or air-gapped for enterprise IT teams.
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PepperSec provides cybersecurity services including penetration testing, security assessments, and smart contract audits. It serves companies looking to evaluate and harden the security of their projects, including blockchain smart contracts and DApps.
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Phin provides a security awareness training and phishing simulation platform built for MSPs and MSSPs, offering multi-tenant management, automated client onboarding, and in-help-desk phishing analysis. It targets managed service providers seeking to reduce time spent managing training and improve clients' phishing click rates.
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Phreeli is a wireless carrier that prioritizes customer privacy and data security, offering mobile service with greater control over personal data. It serves individual mobile consumers seeking privacy-focused wireless connectivity.
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Port53 is a cybersecurity consulting and managed services firm that provides Managed Detection and Response (MDR/mXDR) and Security Operations Center as a Service, along with strategic advisory, to help organizations reduce risk and strengthen their security posture. It serves SMB to mid-size and enterprise organizations, works through IT reseller channel partners (leveraging Cisco and Splunk partnerships), and operates in the U.S. and India.
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ProCircular provides cybersecurity services including exposure discovery, vulnerability assessment, penetration testing, monitoring, incident response, and AI and compliance risk management. It serves organizations in manufacturing, higher education, financial services, and healthcare to protect critical data and systems.
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Quantum Corridor operates a quantum-ready fiber network offering quantum-safe connectivity, precision timing, and quantum compute access for enterprises, universities, data centers, and government agencies. Founded in 2022, it runs across the Chicago and Northwest Indiana corridor with sites in Hammond (IN), Chicago, and Naperville (IL).
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Rampart Communications develops secure wireless communication technology based on Unitary Braid Division Multiplexing (UBDM), a signal processing and information theory approach to communications security. It holds patents and partners with organizations across industries to build secure wireless systems for individuals, businesses, and governments.
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Rapid Innovation is a US-based blockchain consulting and engineering firm that helps enterprises and funded startups evaluate feasibility, select platforms and consensus models, build testnet proofs-of-concept, audit smart contracts, and integrate distributed ledgers with existing ERP, payment, and identity systems. Its work spans DeFi protocols, tokenization and stablecoin infrastructure, NFT platforms, and permissioned consortium networks across chains including Ethereum, Solana, Polygon, and Hyperledger Fabric.
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Remark Holdings develops AI-based video analytics products that provide behavior analysis, threat detection, and incident investigation for public safety, retail, and financial services customers. Its Remark Vision platform serves operators across sites such as construction sites, campuses, stores, and roadways, with deployments in China and Southeast Asia.
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SaaSAudit is an AI-native compliance automation platform that automates evidence collection, control monitoring, and audit readiness for SOC 2 and ISO 27001 certifications, paired with a concierge service and vetted independent CPA auditors. It targets startups and SaaS companies seeking to obtain compliance attestations quickly and at lower cost.
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SchoolDay (formerly Global Grid for Learning/GG4L) builds tools to reduce data sprawl and protect student privacy and data security for schools and edtech providers, enabling secure data exchange and app connectivity. It serves schools and edtech companies in the education sector.
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Sea Street develops EdgeSentinel, a network security service that combines threat intelligence with firewall capabilities for network service providers to deliver scalable security at affordable prices. The company targets telecom and internet service providers seeking to offer security services at scale.
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Seceon offers an AI- and ML-powered cybersecurity platform that integrates data from logs, identity management, networks, endpoints, clouds, and applications to provide threat detection, security posture monitoring, and compliance reporting with built-in remediation. It serves organizations seeking real-time visibility and automated threat response across their IT environments.
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Secnap provides managed detection and response (MXDR) through its CloudJacket platform, combining managed EDR, ITDR, SIEM, and cloud security with 24/7 human-led monitoring from a U.S.-based security operations center. It also offers security assessments, dark web monitoring, compliance and risk management, and strategic security consulting, targeted at growing businesses.
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Righside provides capital, technology, market access, and strategic advisory to companies focused on cybersecurity. It positions itself as an investor in the secure cyberspace domain.
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SecureCo builds secure communications and cybersecurity software, with work spanning software architecture, cryptography, and system deployment. The company serves clients across industries including defense and finance.
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SecurEnds provides a unified platform combining identity governance, vendor risk management, cloud compliance, and access reviews to help organizations manage access, assess risk, and generate audit-ready evidence. It serves security and compliance teams looking to consolidate disconnected tools into a single control layer.
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